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3249725 = 52433023
BaseRepresentation
bin1100011001011000111101
320010002210012
430121120331
51312442400
6153353005
736423263
oct14313075
96102705
103249725
11191a626
121108765
1389a21b
14608433
15442d35
hex31963d

3249725 has 12 divisors (see below), whose sum is σ = 4124736. Its totient is φ = 2538480.

The previous prime is 3249713. The next prime is 3249733. The reversal of 3249725 is 5279423.

It is a happy number.

It is not a de Polignac number, because 3249725 - 24 = 3249709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3249691 and 3249700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437 + ... + 2586.

It is an arithmetic number, because the mean of its divisors is an integer number (343728).

Almost surely, 23249725 is an apocalyptic number.

It is an amenable number.

3249725 is a deficient number, since it is larger than the sum of its proper divisors (875011).

3249725 is a wasteful number, since it uses less digits than its factorization.

3249725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076 (or 3071 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 3249725 is about 1802.6993648415. The cubic root of 3249725 is about 148.1206254235.

The spelling of 3249725 in words is "three million, two hundred forty-nine thousand, seven hundred twenty-five".

Divisors: 1 5 25 43 215 1075 3023 15115 75575 129989 649945 3249725